尸检分析显示存在一种尚未识别的病毒，以及一种已知细菌毒素的证据。
Postmortem analysis showed the presence of an as yet unidentified virus, as well as evidence of a known bacterial toxin.
尸检分析显示出存在一种未知的病毒，以及一种已知的有毒细菌的证据。
Postmortem analysis showed the presence of an as yet unidentified virus, as well as evidence of a know bacterial toxin.
许多研究报告说，疱疹病毒复制起点附近存在异常的反向重复。
A number of studies reported there are unusual inverted repeats in the neighborhood of the replication origins of herpesviruses.
只要该病毒继续在禽类中存在，就不排除人类患流感的可能性。
A potential human influenza pandemic can not be ruled out as long as the virus continues to exist in poultry.
而只要病毒继续在鸟类传播，人类感染的机会就始终存在，并且这种情况还将延续数年。
These opportunities, in turn, will persist as long as the virus continues to circulate in birds, and this situation could endure for some years to come.
这项研究中一个关键的不同点就是H3N2人类流感病毒中存在一个蛋白基因：PB2蛋白，它的存在使得杂交病毒具有了在实验小鼠之间轻易传染的能力。
The key difference in this study was the presence of a single gene from the H3N2 human virus: the PB2 protein, which gave the hybrid viruses the ability to spread easily among the lab mice.
实验室检测证实这两起病例中都存在H5N1型禽流感病毒。
Laboratory tests confirmed the presence of the H5N1 avian influenza virus in both cases.
作为抵抗病毒的自然防御机制的一部分，限制酶存在于细菌中。
Restriction enzymes occur in bacteria as part of a natural defense mechanism to guard against invading viruses.
适当烹煮可灭活在蛋的内部存在的病毒。
Proper cooking inactivates the virus present inside the eggs.
这种病毒具有在该地区长期存在的严重危险，多梅内奇警告说。
There is a serious risk that the virus becomes well-established in the region, Domenech warned.
只要该病毒继续在禽鸟中传播，就始终存在大流行的威胁。
As long as the virus continues to circulate in birds, the threat of a pandemic will persist.
感染动物将病毒带入有媒介存在的地区时，就会造成疾病的传播，此种传播尤其令人感到关切。
This has occurred when infected animals have introduced the virus into areas where vectors were present and is a particular concern.
“世界上没有一个国家不存在病毒性肝炎问题，”他说。
"There is not a country in the world where viral hepatitis isn't a problem," he says.
柬埔寨巴斯德研究所国家流感中心确认鼻咽样本中存在H5N1病毒。
The presence of H5N1 virus in nasopharyngeal specimens was confirmed by Institut Pasteur, the National Influenza Centre in Cambodia.
实验室分析已证实其中9个病例中存在一种新型病毒。
Laboratory analysis has confirmed the presence of a new species of the virus in 9 of these cases.
注意：这里要特别提醒，打开端口存在病毒和木马入侵的潜在危险！
ATTENTION: it must be mentioned, that opening ports holds a potential danger for your system to be infected with viruses and trojans.
目前，在亚洲很大一部分地区，持续存在H5N1病毒，发生更多人间病例的危险将持续存在。
With the H5N1 virus now firmly entrenched in large parts of Asia, the risk that more human cases will occur will persist.
这种病毒的祖先——像其他病毒一样，可能是其他病毒的混合体，仍是一种未知的病毒——可能几百万年前就存在了。
The ancestor virus - which, like many diseases, may have crossed into simians from another, still-unknown species - may have existed for millions of years.
医院中存在大量不安全做法，这尤其会导致病毒性肝炎的蔓延。
Unsafe practices in hospitals abound, contributing, among other things, to the spread of viral hepatitis.
他听说新型猪流感病毒和传统猪流感病毒存在着基因相似性后，立即去找出了这些样本。
He retrieved them once he learned of the genetic similarity between the new swine flu and classical swine virus.
事实上，大多数国家需要突然扩增化验室测试，以检测病毒的存在，追踪其轨迹。
In fact, most countries need a sudden explosion of laboratory testing to detect its presence and follow its tracks.
我们的审计检查了“红色代码”修订是否存在，检查了反病毒软件并且抽取出它的版本。
Our audit checks for the presence of the Code Red fix, checks for anti-virus software, and extracts its version.
那些病毒分别被保存在美国亚特兰大的疾病控制和预防中心以及俄罗斯新西伯利亚的国家病毒和生物科技研究中心。
The viruses are kept at the U.S.Centers for Disease Control and Prevention in Atlanta and the State Research Center of Virology and Biotechnology in Novosibirsk, Siberia.
只要存在人类感染的机会，H5N1病毒就有可能获取这一能力，这种风险将持续存在。
The risk that the H5N1 virus will acquire this ability will persist as long as opportunities for human infections occur.
只要存在人类感染的机会，H5N1病毒就有可能获取这一能力，这种风险将持续存在。
The risk that the H5N1 virus will acquire this ability will persist as long as opportunities for human infections occur.
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